Packed density
[化] 填充密度
🧩 词语组成解析
packed
[pækt]
adj. 充满…的;塞满了…的;
v. 包装(pack的过去式和过去分词);
🗣️ 情景例句
We need to bring a flashlight.
我们需要带一个手电筒。
Take off your hat. It doesn't fit.
取下你的帽子，它不适合你。
She always eats her lunch at noon.
她总是在正午吃午饭。